MIL-DTL-38999 Series I connectors feature up to 128 contacts in an environmentally sealed insert, designed for harsh environments with an operating temperature range of -65 °C to 200 °C. Available in various shell sizes and insert arrangements, these connectors offer front and rear wall mount options as well as jam nut receptacles. Utilizing M39029 rear release crimp contacts, they ensure secure connections. Constructed with high-strength aluminum shells and offered in different plating options, including RoHS certified finishes, they provide reliable performance. Perfect for military and industrial applications, these connectors are ideal for demanding environments, ensuring connectivity in critical situations.